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Retirement Plans And Other Postretirement Benefits (Schedule Of Percentage Composition Of Assets Held By Pension Plans) (Details) | Dec. 31, 2022
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Defined Benefit Plan Disclosure [Line Items] |
% Composition of Plan Assets at December 31, Total for continuing operations | 100.00%
Fixed income mutual fund |
Defined Benefit Plan Disclosure [Line Items] |
% Composition of Plan Assets at December 31, Total for continuing operations | 13.90%
Collective investment trust |
Defined Benefit Plan Disclosure [Line Items] |
% Composition of Plan Assets at December 31, Total for continuing operations | 69.90%
Private equity and hedge funds |
Defined Benefit Plan Disclosure [Line Items] |
% Composition of Plan Assets at December 31, Total for continuing operations | 4.80%
Cash and cash equivalents |
Defined Benefit Plan Disclosure [Line Items] |
% Composition of Plan Assets at December 31, Total for continuing operations | 11.40%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage of actual investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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